#A4391F#A4391F

#A4391F is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.4% C 0.147 H 34.8°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#A4391F
RGB	rgb(164, 57, 31)
HSL	hsl(12, 68%, 38%)
HSV	hsv(12, 81%, 64%)
CMYK	cmyk(0%, 65.2%, 81.1%, 35.7%)
CIE-LAB	lab(39.45, 42.85, 38.69)
CIE-LCH	lch(39.45, 57.73, 42.09°)
OKLab	oklab(49.43% 0.1205 0.0836)
OKLCH	oklch(49.43% 0.147 34.8)
XYZ	xyz(17.0222, 10.9202, 2.5075)
Luminance	0.1092 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4391F #1F8AA4

analogous

#A41F48 #A4391F #A47B1F

triadic

#A4391F #1FA439 #391FA4

tetradic

#A4391F #48A41F #1F8AA4 #7B1FA4

square

#A4391F #48A41F #1F8AA4 #7B1FA4

split-complementary

#A4391F #1FA47B #1F48A4

monochromatic

#3D150C #712715 #A4391F #D74B2A #E0775D

Accessibility & contrast

On white

6.60

#A4391F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#A4391F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4391F

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4391F	#FFFFFF	#000000	##FFFFFF
##A4391F	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1B

Deuteranopia (green-blind)

#72661B

Tritanopia (blue-blind)

#B51B34

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a4391f;
/* rgb */ color: rgb(164, 57, 31);
/* oklch */ color: oklch(49.4% 0.147 34.8);

Tailwind

colors: {
  custom: {
    50: '#c7755d',
    500: '#a4391f',
    950: '#000000',
  },
}

SCSS

$custom: #a4391f;
$custom-light: #c7755d;
$custom-dark: #000000;

JSON

{
  "hex": "#a4391f",
  "rgb": {
    "r": 164,
    "g": 57,
    "b": 31
  },
  "hsl": {
    "h": 11.729,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49426,
    "c": 0.14667,
    "h": 34.8
  },
  "luminance": 0.10918
}

Semantic roles & 50–950 ramp

primary

#A4391F

secondary

#5AB0C5

accent

#C9EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A4391F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →